InVivoMAb anti-mouse TCR Vγ1.1/Cr4

Catalog #BE0257
Clone:
2.11
Reactivities:
Mouse

$150.00 - $3,920.00

In stock
Only %1 left

Product Details

The 2.11 monoclonal antibody reacts with an epitope in the Cr4 domain of TCR Vγ1.1 (T cell receptor V gamma 1.1). The TCR is expressed on the surface of T lymphocytes and is responsible for recognizing fragments of antigen as peptides bound to MHC molecules. When the TCR engages with antigenic peptide and MHC the T lymphocyte is activated through signal transduction. The Vγ1Jγ4Cγ4 chain is expressed by a major population of γδ T cells in the thymus and peripheral lymphoid organs of adult mice. However, during postnatal and early life stages only a minor population of γδ T cells express Vγ1Jγ4Cγ4 during fetal and early postnatal life.

Specifications

Isotype Armenian hamster IgG
Recommended Isotype Control(s) InVivoMAb polyclonal Armenian hamster IgG
Recommended Dilution Buffer InVivoPure pH 7.0 Dilution Buffer
Immunogen 3.13.1 T cell hybridoma
Reported Applications in vivo Vγ1 TCR+ cell depletion
Flow cytometry
Formulation PBS, pH 7.0
Contains no stabilizers or preservatives
Endotoxin <2EU/mg (<0.002EU/μg)
Determined by LAL gel clotting assay
Purity >95%
Determined by SDS-PAGE
Sterility 0.2 μM filtered
Production Purified from tissue culture supernatant in an animal free facility
Purification Protein G
RRID AB_2687736
Molecular Weight 150 kDa
Storage The antibody solution should be stored at the stock concentration at 4°C. Do not freeze.
in vivo Vγ1 TCR+ cell depletion, Flow Cytometry
Zheng, L., et al. (2017). "Recruitment of Neutrophils Mediated by Vγ2 γδ T Cells Deteriorates Liver Fibrosis Induced by Schistosoma japonicum Infection in C57BL/6 Mice" Infect Immun 85(8). PubMed

Conventional adaptive T cell responses contribute to the pathogenesis of Schistosoma japonicum infection, leading to liver fibrosis. However, the role of gamma-delta (γδ) T cells in this disease is less clear. γδ T cells are known to secrete interleukin-17 (IL-17) in response to infection, exerting either protective or pathogenic functions. In the present study, mice infected with S. japonicum are used to characterize the role of γδ T cells. Combined with the infection of S. japonicum, an extremely significant increase in the percentage of neutrophils in the CD45(+) cells was detected (from approximately 2.45% to 46.10% in blood and from 0.18% to 7.34% in spleen). Further analysis identified two different γδ T cell subsets that have different functions in the formation of granulomas in S. japonicum-infected mice. The Vγ1 T cells secrete gamma interferon (IFN-γ) only, while the Vγ2 T cells secrete both IL-17A and IFN-γ. Both subtypes lose the ability to secrete cytokine during the late stage of infection (12 weeks postinfection). When we depleted the Vγ2 T cells in infected mice, the percentage of neutrophils in blood and spleen decreased significantly, the liver fibrosis in the granulomas was reduced, and the level of IL-17A in the serum decreased (P < 0.05). These results suggest that during S. japonicum infection, Vγ2 T cells can recruit neutrophils and aggravate liver fibrosis by secreting IL-17A. This is the first report that a subset of γδ T cells plays a partial role in the pathological process of schistosome infection.

Flow Cytometry
Narayan, K., et al. (2012). "Intrathymic programming of effector fates in three molecularly distinct gammadelta T cell subtypes" Nat Immunol 13(5): 511-518. PubMed

Innate gammadelta T cells function in the early phase of immune responses. Although innate gammadelta T cells have often been studied as one homogenous population, they can be functionally classified into effector subsets on the basis of the production of signature cytokines, analogous to adaptive helper T cell subsets. However, unlike the function of adaptive T cells, gammadelta effector T cell function correlates with genomically encoded T cell antigen receptor (TCR) chains, which suggests that clonal TCR selection is not the main determinant of the differentiation of gammadelta effector cells. A high-resolution transcriptome analysis of all emergent gammadelta thymocyte subsets segregated on the basis of use of the TCR gamma-chain or delta-chain indicated the existence of three separate subtypes of gammadelta effector cells in the thymus. The immature gammadelta subsets were distinguished by unique transcription-factor modules that program effector function.